 /*******************************************************************************
  * Copyright (c) 2000, 2006 IBM Corporation and others.
  * All rights reserved. This program and the accompanying materials
  * are made available under the terms of the Eclipse Public License v1.0
  * which accompanies this distribution, and is available at
  * http://www.eclipse.org/legal/epl-v10.html
  *
  * Contributors:
  * IBM Corporation - initial API and implementation
  *******************************************************************************/

 package org.eclipse.ui.activities;

 /**
  * An instance of this class describes changes to an instance of
  * <code>ICategory</code>. This class does not give details as to the
  * specifics of a change, only that the given property on the source object has
  * changed.
  *
  * <p>
  * This class is not intended to be extended by clients.
  * </p>
  *
  * @since 3.0
  * @see ICategoryListener#categoryChanged(CategoryEvent)
  */
 public final class CategoryEvent {
     private ICategory category;

     private boolean categoryActivityBindingsChanged;

     private boolean definedChanged;

     private boolean nameChanged;

     private boolean descriptionChanged;

     /**
      * Creates a new instance of this class.
      *
      * @param category
      * the instance of the interface that changed.
      * @param categoryActivityBindingsChanged
      * <code>true</code>, iff the categoryActivityBindings property changed.
      * @param definedChanged
      * <code>true</code>, iff the defined property changed.
      * @param descriptionChanged
      * <code>true</code>, iff the description property changed.
      * @param nameChanged
      * <code>true</code>, iff the name property changed.
      */
     public CategoryEvent(ICategory category,
             boolean categoryActivityBindingsChanged, boolean definedChanged,
             boolean descriptionChanged, boolean nameChanged) {
         if (category == null) {
             throw new NullPointerException ();
         }

         this.category = category;
         this.categoryActivityBindingsChanged = categoryActivityBindingsChanged;
         this.definedChanged = definedChanged;
         this.nameChanged = nameChanged;
         this.descriptionChanged = descriptionChanged;
     }

     /**
      * Returns the instance of the interface that changed.
      *
      * @return the instance of the interface that changed. Guaranteed not to be
      * <code>null</code>.
      */
     public ICategory getCategory() {
         return category;
     }

     /**
      * Returns whether or not the defined property changed.
      *
      * @return <code>true</code>, iff the defined property changed.
      */
     public boolean hasDefinedChanged() {
         return definedChanged;
     }

     /**
      * Returns whether or not the name property changed.
      *
      * @return <code>true</code>, iff the name property changed.
      */
     public boolean hasNameChanged() {
         return nameChanged;
     }

     /**
      * Returns whether or not the description property changed.
      *
      * @return <code>true</code>, iff the description property changed.
      */
     public boolean hasDescriptionChanged() {
         return descriptionChanged;
     }

     /**
      * Returns whether or not the categoryActivityBindings property changed.
      *
      * @return <code>true</code>, iff the categoryActivityBindings property changed.
      */
     public boolean haveCategoryActivityBindingsChanged() {
         return categoryActivityBindingsChanged;
     }
 }

